*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.container{
    width: 10vw;
    height: 100%;
    /* overflow: hidden; */
}
.img1,.img4{
    width: 100vw;
    height: 100vh;
    opacity: .7;
    background-attachment: fixed;
    position: relative;
}
.img2,.img3{
    width: 100vw;
    height: 50vh;
    opacity: .7;
    position: relative;
    background-attachment: fixed;
}
.img1{
    background-image: url('./img/02.jpg');
}
.img2{
    background-image: url('./img/01.jpg');
}
.img3{
    background-image: url('./img/03.jpg');
}
.img4{
    background-image: url('./img/04.jpg');
}
.section1,.section2,.section3,.section4{
    width: 100vw;
    padding: 50px 0;
    text-align: center;
    color: #333;
}
.textContainer{
    width: 80vw;
    height: 100%;
    /* background-color: skyblue; */
    margin: 0 auto;
    text-align: justify;
    text-align-last: center;
}
h2{
    margin-bottom: 10px;
}
.section2,.section4{
    background-color: rgb(37, 40, 47);
    color: #ecf0f1;
}
span{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    letter-spacing: 3px;
    font-weight: bold;
}
.img1>span,.img4>span{
    display: block;
    width: 160px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(81, 78, 81);
    color: #f4f4f4;
    cursor: pointer;
    /* transition: .5s all linear; */
}
.img1>span:hover{
    background-color: #3498db;
}